The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 2015
Filed:
Mar. 20, 2013
Applicant:
Rohm and Haas Company, Philadelphia, PA (US);
Inventors:
Kathleen Auld, Collegeville, PA (US);
Ward Thomas Brown, North Wales, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/73 (2006.01); C08K 3/22 (2006.01); B01J 13/02 (2006.01); C08L 33/08 (2006.01); C09C 1/36 (2006.01); C09D 7/00 (2006.01); C09D 7/12 (2006.01); C09D 17/00 (2006.01); C08L 5/00 (2006.01);
U.S. Cl.
CPC ...
C08L 33/08 (2013.01); C08K 3/22 (2013.01); C08L 5/00 (2013.01); C09C 1/3676 (2013.01); C09D 7/002 (2013.01); C09D 7/005 (2013.01); C09D 7/1225 (2013.01); C09D 17/008 (2013.01); C01P 2006/22 (2013.01); C01P 2006/60 (2013.01); C08K 2003/2241 (2013.01);
Abstract
The present invention relates to a composition comprising an aqueous dispersion of xanthan gum and opacifying pigment particles such as TiOencapsulated with a vinyl ester polymer or a vinyl ester-acrylate copolymer, as well as a method for its preparation. The composition is useful in coatings formulations, especially paint formulations.